Force autosort TR triangles using depth func Always to be drawn on top of others

When autosorting triangles, ignore the depth of triangles using the depth func Always and force
them to be on top. Seems to help Psyvariar 2.

core/rend/gles/gldraw.cpp

@@ -594,7 +594,7 @@ void GenSorted(int first, int count)
 				{
 					fill_id(lst[pfsti].id,v0,v1,v2,vtx_base);
 					lst[pfsti].pid= ppid ;
-					lst[pfsti].z = minZ(vtx_base,lst[pfsti].id);
+					lst[pfsti].z = pp->isp.DepthMode == 7 ? 10000000.0 : minZ(vtx_base,lst[pfsti].id);
 					pfsti++;
 				}